anglais)

dichromate [GB dʌɪˈkrəʊmeɪt, Am daɪˈkroʊmeɪt] SUBST

dichromate

bichromate m

Autres traductions et expressions typiques avec les termes de votre recherche

dichromate

chromate rouge

potassium dichromate

anglais

For example, menthone may be prepared by oxidation of menthol with acidified dichromate. en.wikipedia.org

Both methods normally use acidic chromate or dichromate solutions. en.wikipedia.org

The chromate ion is the predominant species in alkaline solutions, but dichromate can become the predominant ion in acidic solutions. en.wikipedia.org

The amount of ferrous ammonium sulfate added is equivalent to the amount of excess potassium dichromate added to the original sample. en.wikipedia.org

Other popular bleach solutions use potassium dichromate (a hexavalent chromium) or permanganate. en.wikipedia.org

The prints are made on paper with a thick gelatin layer that has been sensitized with dichromate salts. en.wikipedia.org

Then oxidation of the nitrotoluene (with sodium dichromate, sulfuric acid, and heat), and reduction of the nitro group. en.wikipedia.org

Since then, other oxidizing agents such as ceric sulphate, potassium iodate, and potassium dichromate have been used to determine COD. en.wikipedia.org

A solution of gum arabic and potassium dichromate, once applied to paper and dried, will harden when exposed to ultraviolet light. en.wikipedia.org

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anglais